lodash.mergewith before 4.6.2 is vulnerable to prototype pollution. The function mergeWith() may allow a malicious user to modify the prototype of Object via {constructor: {prototype: {...}}} causing the addition or modification of an existing property that will exist on all objects.
WS-2019-0180 - High Severity Vulnerability
The Lodash method `_.mergeWith` exported as a module.
Library home page: https://registry.npmjs.org/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/lodash.mergewith/package.json
Dependency Hierarchy: - app-scripts-3.1.9.tgz (Root Library) - node-sass-4.7.2.tgz - :x: **lodash.mergewith-4.6.1.tgz** (Vulnerable Library)
Found in HEAD commit: 36e50af1a29f1ee74ab7c6293bd41021ebaf81f5
Found in base branch: master
lodash.mergewith before 4.6.2 is vulnerable to prototype pollution. The function mergeWith() may allow a malicious user to modify the prototype of Object via {constructor: {prototype: {...}}} causing the addition or modification of an existing property that will exist on all objects.
Publish Date: 2019-08-14
URL: WS-2019-0180
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: Low - Integrity Impact: Low - Availability Impact: Low
For more information on CVSS3 Scores, click here.Type: Upgrade version
Origin: https://www.npmjs.com/advisories/1071
Release Date: 2019-08-14
Fix Resolution (lodash.mergewith): 4.6.2
Direct dependency fix Resolution (@ionic/app-scripts): 3.1.10
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